| /* |
| * Copyright © 2017 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #include <errno.h> |
| #include <xf86drm.h> |
| |
| #include "igt.h" |
| #include "igt_syncobj.h" |
| |
| /** |
| * SECTION:igt_syncobj |
| * @short_description: Library with syncobj helpers |
| * @title: syncobj |
| * @include: igt_syncobj.h |
| * |
| * This library contains helpers for sync object tests. |
| */ |
| |
| static int |
| __syncobj_create(int fd, uint32_t *handle, uint32_t flags) |
| { |
| struct drm_syncobj_create create = { 0 }; |
| int err = 0; |
| |
| create.flags = flags; |
| if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_CREATE, &create)) |
| err = -errno; |
| *handle = create.handle; |
| return err; |
| } |
| |
| /** |
| * syncobj_create |
| * @fd: The DRM file descriptor |
| * @flags: Flags to pass syncobj create |
| * |
| * Create a syncobj with the flags. |
| * |
| * Returns: A newly created syncobj |
| */ |
| uint32_t |
| syncobj_create(int fd, uint32_t flags) |
| { |
| uint32_t handle; |
| igt_assert_eq(__syncobj_create(fd, &handle, flags), 0); |
| igt_assert(handle); |
| return handle; |
| } |
| |
| static int |
| __syncobj_destroy(int fd, uint32_t handle) |
| { |
| struct drm_syncobj_destroy destroy = { 0 }; |
| int err = 0; |
| |
| destroy.handle = handle; |
| if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_DESTROY, &destroy)) |
| err = -errno; |
| return err; |
| } |
| |
| /** |
| * syncobj_destroy: |
| * @fd: The DRM file descriptor |
| * @handle: The handle to the syncobj to destroy |
| * Destroy a syncobj. |
| */ |
| void |
| syncobj_destroy(int fd, uint32_t handle) |
| { |
| igt_assert_eq(__syncobj_destroy(fd, handle), 0); |
| } |
| |
| int |
| __syncobj_handle_to_fd(int fd, struct drm_syncobj_handle *args) |
| { |
| int err = 0; |
| if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD, args)) |
| err = -errno; |
| return err; |
| } |
| |
| /** |
| * syncobj_handle_to_fd: |
| * @fd: The DRM file descriptor |
| * @handle: Handle to syncobj |
| * @flags: Flags to handle to fd ioctl. |
| * |
| * Convert a syncobj handle to an fd using the flags. |
| * |
| * Returns: a file descriptor (either syncobj or sync_file. |
| */ |
| int |
| syncobj_handle_to_fd(int fd, uint32_t handle, uint32_t flags) |
| { |
| struct drm_syncobj_handle args = { 0 }; |
| args.handle = handle; |
| args.flags = flags; |
| igt_assert_eq(__syncobj_handle_to_fd(fd, &args), 0); |
| igt_assert(args.fd >= 0); |
| return args.fd; |
| } |
| |
| int |
| __syncobj_fd_to_handle(int fd, struct drm_syncobj_handle *args) |
| { |
| int err = 0; |
| if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE, args)) |
| err = -errno; |
| return err; |
| } |
| |
| /** |
| * syncobj_fd_to_handle: |
| * @fd: The DRM file descriptor |
| * @syncobj_fd: syncobj fd to convert |
| * @flags: Flags to the syncobj fd to handle ioctl. |
| * |
| * Convert a syncobj fd a syncobj handle using the flags. |
| * |
| * Returns: a syncobj handle. |
| */ |
| uint32_t |
| syncobj_fd_to_handle(int fd, int syncobj_fd, uint32_t flags) |
| { |
| struct drm_syncobj_handle args = { 0 }; |
| args.fd = syncobj_fd; |
| args.flags = flags; |
| igt_assert_eq(__syncobj_fd_to_handle(fd, &args), 0); |
| igt_assert(args.handle > 0); |
| return args.handle; |
| } |
| |
| /** |
| * syncobj_import_sync_file: |
| * @fd: The DRM file descriptor |
| * @handle: Handle to the syncobt to import file into |
| * @sync_file: The sync_file fd to import state from. |
| * |
| * Import a sync_file fd into a syncobj handle. |
| */ |
| void |
| syncobj_import_sync_file(int fd, uint32_t handle, int sync_file) |
| { |
| struct drm_syncobj_handle args = { 0 }; |
| args.handle = handle; |
| args.fd = sync_file; |
| args.flags = DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE; |
| igt_assert_eq(__syncobj_fd_to_handle(fd, &args), 0); |
| } |
| |
| int |
| __syncobj_wait(int fd, struct local_syncobj_wait *args) |
| { |
| int err = 0; |
| if (drmIoctl(fd, LOCAL_IOCTL_SYNCOBJ_WAIT, args)) |
| err = -errno; |
| return err; |
| } |
| |
| int |
| syncobj_wait_err(int fd, uint32_t *handles, uint32_t count, |
| uint64_t abs_timeout_nsec, uint32_t flags) |
| { |
| struct local_syncobj_wait wait; |
| |
| wait.handles = to_user_pointer(handles); |
| wait.timeout_nsec = abs_timeout_nsec; |
| wait.count_handles = count; |
| wait.flags = flags; |
| wait.first_signaled = 0; |
| wait.pad = 0; |
| |
| return __syncobj_wait(fd, &wait); |
| } |
| |
| /** |
| * syncobj_wait: |
| * @fd: The DRM file descriptor |
| * @handles: List of syncobj handles to wait for. |
| * @count: Count of handles |
| * @abs_timeout_nsec: Absolute wait timeout in nanoseconds. |
| * @flags: Wait ioctl flags. |
| * @first_signaled: Returned handle for first signaled syncobj. |
| * |
| * Waits in the kernel for any/all the requested syncobjs |
| * using the timeout and flags. |
| * Returns: bool value - false = timedout, true = signaled |
| */ |
| bool |
| syncobj_wait(int fd, uint32_t *handles, uint32_t count, |
| uint64_t abs_timeout_nsec, uint32_t flags, |
| uint32_t *first_signaled) |
| { |
| struct local_syncobj_wait wait; |
| int ret; |
| |
| wait.handles = to_user_pointer(handles); |
| wait.timeout_nsec = abs_timeout_nsec; |
| wait.count_handles = count; |
| wait.flags = flags; |
| wait.first_signaled = 0; |
| wait.pad = 0; |
| |
| ret = __syncobj_wait(fd, &wait); |
| if (ret == -ETIME) |
| return false; |
| |
| igt_assert_eq(ret, 0); |
| if (first_signaled) |
| *first_signaled = wait.first_signaled; |
| |
| return true; |
| } |
| |
| static int |
| __syncobj_reset(int fd, uint32_t *handles, uint32_t count) |
| { |
| struct local_syncobj_array array = { 0 }; |
| int err = 0; |
| |
| array.handles = to_user_pointer(handles); |
| array.count_handles = count; |
| if (drmIoctl(fd, LOCAL_IOCTL_SYNCOBJ_RESET, &array)) |
| err = -errno; |
| return err; |
| } |
| |
| /** |
| * syncobj_reset: |
| * @fd: The DRM file descriptor. |
| * @handles: Array of syncobj handles to reset |
| * @count: Count of syncobj handles. |
| * |
| * Reset state of a set of syncobjs. |
| */ |
| void |
| syncobj_reset(int fd, uint32_t *handles, uint32_t count) |
| { |
| igt_assert_eq(__syncobj_reset(fd, handles, count), 0); |
| } |
| |
| static int |
| __syncobj_signal(int fd, uint32_t *handles, uint32_t count) |
| { |
| struct local_syncobj_array array = { 0 }; |
| int err = 0; |
| |
| array.handles = to_user_pointer(handles); |
| array.count_handles = count; |
| if (drmIoctl(fd, LOCAL_IOCTL_SYNCOBJ_SIGNAL, &array)) |
| err = -errno; |
| return err; |
| } |
| |
| /** |
| * syncobj_signal: |
| * @fd: The DRM file descriptor. |
| * @handles: Array of syncobj handles to signal |
| * @count: Count of syncobj handles. |
| * |
| * Signal a set of syncobjs. |
| */ |
| void |
| syncobj_signal(int fd, uint32_t *handles, uint32_t count) |
| { |
| igt_assert_eq(__syncobj_signal(fd, handles, count), 0); |
| } |